最近需要做一个省市联动的地图，来随时观看各地区的用户数量。
记录实现代码。
主页面china.html：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=EDGE">
<style>
#china-map {
width: 1000px;
height: 1000px;
margin: auto;
}
#box {
display: none;
background-color: goldenrod;
width: 180px;
height: 30px;
}
#box-title {
display: block;
}
</style>
<script src="http://www.jq22.com/jquery/jquery-1.10.2.js"></script>
<script type="text/javascript" src="https://cdn.bootcss.com/echarts/4.2.0-rc.2/echarts.min.js"></script>
<script type="text/javascript" src="./js/map/china.js"></script>
</head>
<body>
<div class="wrapper wrapper-content">
<div class="row">
<button id="back">返回全国</button>
<div id="china-map"></div>
</div>
</div>
<script>
var myChart = echarts.init(document.getElementById('china-map'));
var oBack = document.getElementById("back");
var provinces = ['shanghai', 'hebei', 'shanxi', 'neimenggu', 'liaoning', 'jilin', 'heilongjiang', 'jiangsu', 'zhejiang', 'anhui', 'fujian', 'jiangxi', 'shandong', 'henan', 'hubei', 'hunan', 'guangdong', 'guangxi', 'hainan', 'sichuan', 'guizhou', 'yunnan', 'xizang', 'shanxi1', 'gansu', 'qinghai', 'ningxia', 'xinjiang', 'beijing', 'tianjin', 'chongqing', 'xianggang', 'aomen'];
var provincesText = ['上海', '河北', '山西', '内蒙古', '辽宁', '吉林', '黑龙江', '江苏', '浙江', '安徽', '福建', '江西', '山东', '河南', '湖北', '湖南', '广东', '广西', '海南', '四川', '贵州', '云南', '西藏', '陕西', '甘肃', '青海', '宁夏', '新疆', '北京', '天津', '重庆', '香港', '澳门'];
oBack.onclick = function () {
initEcharts("china", "点亮中国");
};
initEcharts("china", "点亮中国");
// 初始化echarts
function initEcharts(pName, Chinese_) {
$.ajax({
type: "GET",
url: "http://localhost:4000/user/userCount?searchName="+pName,
success: function (res) {
// var seriesData = res.data;
// var tmpSeriesData = pName === "china" ? seriesData : [];
var tmpSeriesData = res.data;
var option = {
title: {
text: Chinese_ || pName,
left: 'center'
},
toolbox: {
show: !0,
orient: "vertical",
x: "right",
y: "center",
feature: {
mark: {
show: !0
},
dataView: {
show: !0,
readOnly: !1
},
restore: {
show: !0
},
saveAsImage: {
show: !0
}
}
},
tooltip: {
trigger: 'item',
formatter: '{b}<br/>{c} (人)',
backgroundColor: "#ff7f50",//提示标签背景颜色
textStyle: {color: "#fff"} //提示标签字体颜色
},
series: [
{
name: Chinese_ || pName,
type: 'map',
mapType: pName,
roam: false,//是否开启鼠标缩放和平移漫游
data: tmpSeriesData,
top: "3%",//组件距离容器的距离
zoom: 1.1,
selectedMode: 'single',
label: {
normal: {
show: true,//显示省份标签
textStyle: {color: "#fbfdfe"}//省份标签字体颜色
},
emphasis: {//对应的鼠标悬浮效果
show: true,
textStyle: {color: "#323232"}
}
},
itemStyle: {
normal: {
borderWidth: .5,//区域边框宽度
borderColor: '#0550c3',//区域边框颜色
areaColor: "#4ea397",//区域颜色
},
emphasis: {
borderWidth: .5,
borderColor: '#4b0082',
areaColor: "#ece39e",
}
},
}
]
};
myChart.setOption(option);
myChart.off("click");
if (pName === "china") { // 全国时，添加click 进入省级
myChart.on('click', function (param) {
console.log(param.name);
// 遍历取到provincesText 中的下标 去拿到对应的省js
for (var i = 0; i < provincesText.length; i++) {
if (param.name === provincesText[i]) {
//显示对应省份的方法
showProvince(provinces[i], provincesText[i]);
break;
}
}
if (param.componentType === 'series') {
var provinceName = param.name;
$('#box').css('display', 'block');
$("#box-title").html(provinceName);
}
});
} else { // 省份，添加双击 回退到全国
myChart.on("dblclick", function () {
initEcharts("china", "点亮中国");
});
}
}
});
}
// 展示对应的省
function showProvince(pName, Chinese_) {
//这写省份的js都是通过在线构建工具生成的，保存在本地，需要时加载使用即可，最好不要一开始全部直接引入。
loadBdScript('$' + pName + 'JS', './js/map/province/' + pName + '.js', function () {
initEcharts(Chinese_);
});
}
// 加载对应的JS
function loadBdScript(scriptId, url, callback) {
var script = document.createElement("script");
script.type = "text/javascript";
if (script.readyState) { //IE
script.onreadystatechange = function () {
if (script.readyState === "loaded" || script.readyState === "complete") {
script.onreadystatechange = null;
callback();
}
};
} else { // Others
script.onload = function () {
callback();
};
}
script.src = url;
script.id = scriptId;
document.getElementsByTagName("head")[0].appendChild(script);
};
</script>
</body>
</html>
效果图：
源码地址：https://github.com/coder-lida/chinamap.git
标签：function,省市,script,show,pName,联动,var,china,ECharts From： https://www.cnblogs.com/leepandar/p/16711932.html